EPA Method 8250 - Acid Matrix Spiking Solution

Disulfoton, 100 µg/ml, Acetonitrile, 5ml

Methyl 5-cis-eicosenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20839-34-3

2,2',3,4',5,5',6-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane